How is water level inside your holding tank? Too much water in the
holding tank may cause this problem.
Ken
Opportunities are never lost. The other fellow takes those you miss.
| Torrey Hills Technologies, LLC |
| www.threerollmill.com |
| www.torreyhillstech.com |

Most of the time, a vent problem. If the toilet gurgles up a storm on
flushing and ends up low it's almost certainly a vent problem. In the
rare case that things flush fine and fill normally, but end up low later
the possibilities are a crack in the toilet, or some gunk buildup that's
acting like a wick to drain the siphon.

An often overlooked cause is the tank ballcock
refill tube.
It's a 1/4" tube from the fill valve into the
flush valve overflow standpipe. As the tank is
refilling, the tube runs a jet of water into the
overflow to refill the bowl.
Jim

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